7Jtlng M. Eichelbergrek, ldimek J. Surface geometry of four nanofiller and one by bide composite after onestep and multiplestp polishing[J], oper dent, 2007, 32(4): 347-355.
4Abu-Bakr N, Han L, Okamato A, et al. Color stability of compomer afterimmersion in various media[J]. J Esthet Dent, 2000, 12(5):258-263.
5Kolbeck C, Rosentritt M, Lang R, et al. Discoloration of facing and restorative composites by UV-irradiation and staining food[J]. Dent Mater, 2006, 22(1):63-68.
6Ertas E, Guler AU, Yucel AC, et aL Color stability of resin composites after immersion in different drinks [J]. Dent Mater, 2006, 25 (.2) : 371-376.
7Sideridou I, Achilias DS, Spyroudi C, et al. Water sorption characteristics of light-cured dental resins and composites based on Bis-EMAlPCDMAf,JJ. Biomaterials, 2004, 25 (2) : 367-376.
8de Carvalho Rocha AC, de Lima CSA, da Silva MCM, et al. Evaluation of surface roughness of a nanofill resin composite after simulated brushing and immersion in mouthrinses, alcohol and water[J]. Mater Res, 2010, 13 (I) : 77-80.
9Yazici AR, Celik C, Dayanga B. et al. The effect of curing units and staining solutions on the color stability of resin composites[J]. Oper Dent, 2007. 32(6): 616-622.
10Schulze KA, Marshall SJ. Gansky SA. et al. Color stability and hardness in dental composites after accelerated aging[J]. Dent Mater. 2003. 19(7):612-619.
